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2026-05-18 - 07:53
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Mon May 18, 2026 00:44:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
313352126117,6sleep10-21swapper/119:05:071
41122110100,7sleep30-21swapper/319:09:133
3951210899,6sleep20-21swapper/219:07:082
3917210898,7sleep00-21swapper/019:06:430
122232590,0sleep112229-21kthreadcore22:35:151
78002580,1sleep27805-21kthreadcore00:25:172
51702580,0sleep20-21swapper/222:29:592
312552580,1sleep30-21swapper/323:20:183
188012560,0sleep20-21swapper/223:10:172
34972540,0sleep30-21swapper/321:00:183
434399280,27cyclictest0-21swapper/120:23:341
434799270,26cyclictest0-21swapper/219:13:182
434799270,26cyclictest0-21swapper/200:18:372
434399270,26cyclictest0-21swapper/123:47:531
434399270,26cyclictest0-21swapper/123:08:171
434399270,26cyclictest0-21swapper/122:54:231
434399270,26cyclictest0-21swapper/122:22:171
434399270,26cyclictest0-21swapper/122:17:471
434399270,26cyclictest0-21swapper/121:23:341
434399270,26cyclictest0-21swapper/121:23:341
434399270,26cyclictest0-21swapper/120:14:101
434399270,26cyclictest0-21swapper/120:08:521
434399270,26cyclictest0-21swapper/120:03:551
434399270,26cyclictest0-21swapper/119:59:301
434399270,26cyclictest0-21swapper/119:52:391
434399270,26cyclictest0-21swapper/119:36:001
434399270,26cyclictest0-21swapper/119:32:091
434399270,26cyclictest0-21swapper/119:24:421
433899270,26cyclictest0-21swapper/022:23:170
433899270,26cyclictest0-21swapper/021:55:590
4347992622,3cyclictest0-21swapper/223:05:082
434799260,25cyclictest0-21swapper/221:32:102
434799260,25cyclictest0-21swapper/220:13:492
434399260,26cyclictest0-21swapper/120:57:101
434399260,25cyclictest0-21swapper/123:35:031
434399260,25cyclictest0-21swapper/123:32:591
434399260,25cyclictest0-21swapper/123:22:511
434399260,25cyclictest0-21swapper/122:55:541
434399260,25cyclictest0-21swapper/122:44:321
434399260,25cyclictest0-21swapper/122:08:091
434399260,25cyclictest0-21swapper/121:34:251
434399260,25cyclictest0-21swapper/121:01:191
434399260,25cyclictest0-21swapper/120:36:341
434399260,25cyclictest0-21swapper/120:30:461
434399260,25cyclictest0-21swapper/120:25:061
4347992517,7cyclictest0-21swapper/219:50:302
4343992518,7cyclictest0-21swapper/119:45:331
434399250,24cyclictest0-21swapper/120:41:311
433899250,24cyclictest0-21swapper/020:19:010
434799241,22cyclictest0-21swapper/220:24:432
433899240,18cyclictest0-21swapper/020:08:550
434799231,21cyclictest0-21swapper/200:30:072
434799230,22cyclictest0-21swapper/222:45:122
433899230,22cyclictest0-21swapper/019:27:550
4347992219,3cyclictest0-21swapper/221:17:222
434799220,21cyclictest0-21swapper/222:10:002
434799220,21cyclictest0-21swapper/221:58:052
434799220,21cyclictest0-21swapper/221:11:552
434799220,21cyclictest0-21swapper/200:10:392
434399223,17cyclictest22244-21munin-run20:50:001
434399220,3cyclictest0-21swapper/100:08:071
434399220,21cyclictest0-21swapper/123:29:241
4338992218,3cyclictest749-21snmpd23:06:210
433899220,21cyclictest0-21swapper/022:41:090
433899220,21cyclictest0-21swapper/021:11:000
433899220,21cyclictest0-21swapper/021:03:100
434799217,13cyclictest0-21swapper/219:30:112
4347992119,1cyclictest749-21snmpd23:15:442
4347992118,2cyclictest749-21snmpd23:44:122
4347992118,2cyclictest749-21snmpd23:33:412
4347992118,2cyclictest749-21snmpd21:49:082
4347992118,2cyclictest749-21snmpd20:35:102
4347992118,2cyclictest749-21snmpd20:32:492
4347992118,2cyclictest749-21snmpd00:21:312
4347992117,3cyclictest0-21swapper/223:24:292
4347992117,3cyclictest0-21swapper/222:35:592
434799210,3cyclictest0-21swapper/223:50:302
434799210,20cyclictest0-21swapper/222:16:272
434799210,20cyclictest0-21swapper/221:40:242
434799210,20cyclictest0-21swapper/221:07:252
434799210,20cyclictest0-21swapper/220:52:492
434799210,20cyclictest0-21swapper/220:28:432
434399217,13cyclictest0-21swapper/121:05:231
434399210,20cyclictest0-21swapper/123:50:091
434399210,20cyclictest0-21swapper/123:42:331
434399210,20cyclictest0-21swapper/121:41:051
434399210,20cyclictest0-21swapper/121:26:021
434399210,20cyclictest0-21swapper/119:16:511
4338992119,1cyclictest749-21snmpd23:10:530
4338992118,2cyclictest24821-21taskset19:53:150
433899210,15cyclictest0-21swapper/020:48:050
4347992018,2cyclictest0-21swapper/222:20:452
4347992018,1cyclictest749-21snmpd23:27:062
4347992018,1cyclictest749-21snmpd22:43:322
4347992018,1cyclictest749-21snmpd22:32:122
4347992018,1cyclictest749-21snmpd22:03:202
4347992018,1cyclictest749-21snmpd20:46:462
4347992018,1cyclictest749-21snmpd19:24:362
4347992018,1cyclictest749-21snmpd00:38:522
4347992017,2cyclictest749-21snmpd23:45:472
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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